Home / 1,161,809.87-1,738,985.22-620,713.98

Finding the Fourth Proportional to 1,161,809.87, 1,738,985.22 and 620,713.98

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Solution

The fourth proportional to 1,161,809.87, 1,738,985.22 and 620,713.98 is: 929,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,809.87 : 1,738,985.22 = 620,713.98 : x
  2. Step 2: Convert to fraction form
    1,161,809.87/1,738,985.22 = 620,713.98/x
  3. Step 3: Cross multiply
    1,161,809.87x = 1,738,985.22 × 620,713.98
  4. Step 4: Simplify right side
    1,161,809.87x = 1,079,412,437,067.38
  5. Step 5: Solve for x
    x = 1,079,412,437,067.38/1,161,809.87
  6. Step 6: Final answer
    x = 929,078.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.